What is the AWS CLI v1-to-v2 Migration Tool?

Standalone Python tool that scans bash scripts for v1-to-v2 breaks, suggests flags to mimic v1, outputs fixed script.

How do I install AWS CLI v1 to v2 migration tool?

Python 3.9+, `pip install awscli-migrate`. No AWS CLI needed.

Yes — S3 tags, binaries, paging. Tool flags most; manual for others.

No. Conservative flags potentials; complex cases need hands-on.

⚙️ DevOps & Platform Eng

Tired of AWS CLI v1 scripts exploding on v2? This new migration tool lints them automatically. But does it catch everything — or just kick the can?

theAIcatchup Apr 10, 2026 3 min read

Migration Tool auto-detects 80% of v1-to-v2 breaks in bash scripts with interactive fixes. 𝕏
Errs conservative: flags safe changes, flags manuals clearly. 𝕏
Standalone, no CLI deps — broader than built-in Debug Mode; signals AWS's migration tooling future. 𝕏

Published by

Ship faster. Build smarter.

#AWS CLI #AWS DevOps #AWS v2 upgrade #CLI migration #aws-cli-v2 #bash scripts #devops tools #migration tool #v1 to v2 migration

Get the best Developer Tools stories of the week in your inbox — no noise, no spam.

Originally reported by AWS Developer Blog